code: def test_bsa_params_setter():
      new_bsa = bsa.BSA()
  
      try:
          new_bsa.F = "a"
      except:
          new_bsa.F = 3.0
  
      try:
          new_bsa.mix_rate = "b"
      except:
          new_bsa.mix_rate = 1
  
      try:
          new_bsa.mix_rate = -1
      except:
          new_bsa.mix_rate = 1
  
      assert new_bsa.mix_rate == 1
  
file_path: opytimizer/tests/opytimizer/optimizers/evolutionary/test_bsa.py
imports: import numpy
  from opytimizer.optimizers.evolutionary import bsa
  from opytimizer.spaces import search
label_desc: Use image node_id 2 for calling a global function with example usage: test_bsa_params_setter() without return types